Seems to remain a mystery

T. J. Bary, Company I, 42nd Georgia, died 8 June 1863
Confederate Roll of Honor, Known Confederate Dead, Vicksburg Campaign, January 1862-July 1863, Gary W. Webster, “Ole Sow” Publications, 1998

Also found in the UDC record book

….

Bary, T. J. I 42nd Georgia 8 Jun 1863 Soldier's Rest
http://www.nps.gov/vick/learn/historyculture/confederate-interments-b.htm

………..

Thomas J. Berry

Enlisted on 5/1/1862 as a Private.
On 5/1/1862 he mustered into "I" Co. AL 42nd Infantry
He died of disease (date not stated) at Vicksburg, MS
(Estimated date of enlistment; died in 1863)
Other Information:
born in 1826
Buried: Cedar Hill Cemetery, Vicksburg, MS**

Sources used by Historical Data Systems, Inc.:
- Index to Compiled Confederate Military Service Records
- Mississippi Confederate Grave Registry

** Carried as J. T. Bary 32nd Georgia on the Vicksburg NP site
http://www.nps.gov/vick/learn/historyculture/confederate-interments-b.htm

Note, there are no records for him in the available rosters of the 32nd Georgia

…

T. J. Berry, Company I, 42nd Regiment Alabama Infantry, Attorney J. C. Damer filed claim for the settlement of his effects November 6, 1863 who died at Vicksburg, Miss., no date, no other records.

M311: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Alabama